求教这段代码的为什么提交不了表单啊

大家看看这段代码有什么毛病 为什么提交不了表单啊
<%@ page import="java.lang.*"%>
<Meta  Content="text/html; Charset=gb2312"><html>
<head>
<title>博客在线</title>
<link rel="StyleSheet" type="text/css" href="images/mystyle.css">
<script language="javascript" src="images/index.js" type="text/javascript"></script>
    <style type="text/css">
<!--
.STYLE1 {color: #000000}
-->
        </style>
</head>
<body onLoad="loadRequest()">
<table height="45" cellspacing="0" cellpadding="0" width="750" background="images/bk_11.jpg" border="0"> </table>
<table height="19" cellspacing="0" cellpadding="0" width="750" bgcolor="#00CCFF" border="0">
<tr>
<td width="3"></td>
<td width="252"></td>
<td style="PADDING-TOP: 2px" align="middle">
<p align="center" class="STYLE1">
<b>博客在线</b> </p> </td>
<td width="252"></td>
<td width="3"></td>
</tr>
</table>
<table height="45" cellspacing="0" cellpadding="0" width="750" background="images/bk_11.jpg" border="0">
<tbody>
<tr>
<form name="loginForm" action="login"> <td align="middle">
<span class="STYLE1">登录名：</span>
  <input class="input01" id="uname" tabindex="1" size="15" name="uname">
<span class="STYLE1">密码：</span>
  <input class="input01" id="psw" tabindex="2" type="password" size="15" name="psw">
<span class="STYLE1">验证码：</span>
  <input class="input01" id="checkwd" style="WIDTH: 60px" tabindex="3" size="15" name="checkwd">
<img height="20" src="image.jsp" width="51" align="absMiddle" alt="">
<img src="images/bk_button01.gif" align="absMiddle" value="提交" name="bt" onClick="userCheck()" alt=""> <a href="regist.jsp" target="_blank" class="a02 STYLE1"><b>新博客注册</b></a> </td> </form>
  </tr>
</tbody>
</table> <table width="750" border="0" bordercolor="#00CCFF" bgcolor="#00CCFF">
<tr>
<td width="15%" valign="top">
<table height="25" cellspacing="0" cellpadding="0" width="206" border="0">
<tbody>
<tr>
<td class="td01 ft01 b">
<span class="STYLE1"><b>博客人气排行</b></span> </td>
</tr>
</tbody>
</table>
<table cellspacing="0" cellpadding="0" width="208" border="0">
<tbody> <tr>
<td>
<table width="208" border="0" cellpadding="0" cellspacing="0" bordercolor="#00CCFF">
<tbody>
<tr>
<td colspan="2" height="5"></td>
</tr> <tr>
</tr>
</tbody>
<tbody id="blogList"></tbody>
<tr></tr> <tbody></tbody>
  </table>
</td>
</tr>
</tbody>
</table>
<!-- 一周人气排行 end -->
</td>
<td width="50%" valign="top">
<table>
<td colspan="2">
<span class="STYLE1"><b>最新文章推荐</b></span> </td>
<tr>
</tr>
<tbody id="articleList"></tbody>
<tr></tr>
</table>
</td>
<td width="34%" valign="top">
<table cellspacing="0" cellpadding="0" width="187" border="0">
<tbody>
<tr>
<td align="middle" height="21">
<span class="STYLE1"><b>BLOG搜索</b></span> </td>
</tr>
<tr>
<td height="6"></td>
</tr>
</tbody>
</table>
<table cellspacing="0" cellpadding="0" width="187" border="0">
<tbody>
<tr>
<form name="form1" action="search" method="post" target="_blank"> <td align="middle">
<input style="BORDER-RIGHT: #00CCFF 1px solid; BORDER-TOP: #00CCFF 1px solid; BORDER-LEFT: #00CCFF 1px solid; WIDTH: 125px; BORDER-BOTTOM: #00CCFF 1px solid; HEIGHT: 22px" name="key">
<input class="button-submit" type="submit" value="搜索">
</td>
</form>
</tr>
<tr>
<td height="5"></td>
</tr>
</tbody>
</table>
</td>
</tr>
</table>
<hr style="color:#00CCFF" width="90%">
<p align="center">

</p>
</body>
</html>